@article{JIS_2007__10_6_a5,
     author = {Bouroubi,  Sadek},
     title = {Integer partitions and convexity},
     journal = {Journal of integer sequences},
     year = {2007},
     volume = {10},
     number = {6},
     zbl = {1140.11345},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2007__10_6_a5/}
}